Four lighting mode options: according to your preferences, the headlights and taillights have a one-button switch, with four different lighting modes. Including full brightness, half brightness, fast flash and slow flash. Easy installation: The silicone mounting strap is designed with two openings, which can be tightly fixed on many sizes of seatposts, handlebars, seat risers, backpacks, helmets and extension straps to keep the lights firm and firm. They can be easily loosened and fixed without any tools. Purpose: This bicycle light kit has enough versatility, can ride a bicycle, hike, camp or do any outdoor activities, and can be used as an emergency flashlight. This is very suitable for cycling at night or where visibility and safety are required. So, start your next adventure with us. This small and bright LED bike light provides you and your family with the protection you need, whether it's driving along a crowded pavement or enjoying nature in the wilderness. Choose white for the headlights and red for the rear taillights How to charge Connect the micro USB cable to the micro USB input port of the bicycle light Plug the other end of the cable into an AC adapter (not included) connected to a wall outlet or an active computer USB port Package Contents 1 X headlight (white light) 1 X tail light (red light) 2 X USB cable 2 X silicone mounting strap